Dyfyniad APA

Richards, G., Aronson, J., Mahtani, K., & Heneghan, C. (2021). Global, regional, and national consumption of controlled opioids: A cross-sectional study of 214 countries and non-metropolitan territories. SAGE Publications.

Dyfyniad Arddull Chicago

Richards, GC, JK Aronson, KR Mahtani, and C. Heneghan. Global, Regional, and National Consumption of Controlled Opioids: A Cross-sectional Study of 214 Countries and Non-metropolitan Territories. SAGE Publications, 2021.

Dyfyniad MLA

Richards, GC, et al. Global, Regional, and National Consumption of Controlled Opioids: A Cross-sectional Study of 214 Countries and Non-metropolitan Territories. SAGE Publications, 2021.

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